Doctor blade lifter over belt seam

Details Doctor blade lifter over belt seam Doctor blade lifter over belt seam

1980-12-11

1981-12-15

Adee, John

Liquid purification or separation

Filter

Movable medium

210400, B01D 3334

Patent

active

043058213

ABSTRACT:
A hinged doctor blade is biased to its operative position respecting the belt of a belt conveyor. Shoes at each end of the blade ride on the belt ahead of the blade respecting belt travel and are positioned and connected to the blade so that the forward clips of the belt joint lifts the blade upon the first approach of either end of the joint and the other end is effective to hold the doctor blade in its raised position until the forward portion of the seam is beneath the blade and the blade can safely ride over the seam and then resume its operative position respecting the filter belt. Adjustment means are provided so that the positions of the shoes relative to the doctor blade may be set as required by the length of the seam having reference to the direction of belt travel.

REFERENCES:
patent: 2076611 (1937-04-01), Barnebl
patent: 2669360 (1954-02-01), Little
patent: 4146484 (1979-03-01), Campbell

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